Notifications

The Notifications service allows you to choose the events of interest to you and decide where to send corresponding notifications.

E-mails

Historically and by default, deployment result e-mails (deployment succeeded or failed) were always sent to the owners of an application, namely the user themselves or the organization’s members.

Using the notify-email command of clever-tools, you can choose to disable this or to restrict it to only some applications.

To do this, you need to delete the hook named Default deployment result e-mails, then add a new one and set it to your liking.

Issue this command to learn more about this: clever help notify-email.

In the future, this service will also handle credits warning notifications and others to come. You will be able to choose wether or not to receive an e-mail and/or for these events to be forwarded to a web service via a webhook.

Webhooks

Webhooks are defined as follows:

A webhook in web development is a method of augmenting or altering the behavior of a web page, or web application, with custom callbacks. These callbacks may be maintained, modified, and managed by third-party users and developers who may not necessarily be affiliated with the originating website or application. — Wikipedia¹

In practical terms, this means that you can choose to receive all deployment result events on an endpoint of your application without having to listen to all events via the Websocket API. No more lost events and having to reconnect to the websocket if and when it fails.

clever-tools has a webhooks command which allows you to list existing webhooks, remove one or add a new one.

You can issue this command to learn more about it: clever help webhooks.

Example: Slack deployment results Webhook

First, you will have to create the Incoming WebHooks integration on Slack:

Let’s go to the custom integrations page, once there go to Incoming WebHooks.

You will find an Add Configuration button on the left which will take you to the page where you need to configure the integration. You just need to select the channel where you want the notifications to be posted, then it will show you the Webhook URL, it starts with https://hooks.slack.com/services/. Copy that URL.

Now, let’s create the Webhook!

Go into the application directory for which you want to receive notifications and there issue this command:

clever webhooks add "deployment results on Slack" https://hooks.slack.com/services/xxxxxx/yyyyyy/zzzzzzzzzzzzz --format slack --event META_DEPLOYMENT_RESULT

Events available

The list of values that can be assigned to --event option:

Account:

• ACCOUNT_CREATION
• ACCOUNT_DELETION
• ACCOUNT_EDITION

Addon:

• ADDON_CREATION
• ADDON_DELETION

Application:

• APPLICATION_CREATION
• APPLICATION_DELETION
• APPLICATION_EDITION
• APPLICATION_REDEPLOY
• APPLICATION_STOP

Deployment:

• DEPLOYMENT_ACTION_BEGIN
• DEPLOYMENT_ACTION_END
• DEPLOYMENT_FAIL
• DEPLOYMENT_SUCCESS
• GIT_PUSH

Organisation:

• ORGANISATION_CREATION
• ORGANISATION_DELETION
• ORGANISATION_EDITION
• ORGANISATION_USER_ADDITION

Meta:

• META_SERVICE_LIFECYCLE = APPLICATION_STOP, DEPLOYMENT_ACTION_BEGIN, DEPLOYMENT_FAIL, DEPLOYMENT_SUCCESS
• META_DEPLOYMENT_RESULT = DEPLOYMENT_FAIL, DEPLOYMENT_SUCCESS
• META_SERVICE_MANAGEMENT = ADDON_CREATION, ADDON_DELETION APPLICATION_CREATION, APPLICATION_EDITION, APPLICATION_DELETION`
• META_CREDITS = CREDITS_ADDED

Others:

• CLEVER_TOOLS_REQUEST
• CREDITS_ADDED

Examples

Get a message in a Slack channel when the deployment for an application failed:

clever webhooks add "The application failed to deploy" https://hooks.slack.com/services/xxxxxx/ --format slack --event DEPLOYMENT_FAIL

Notify your accounting service when credits are added:

clever webhooks add "credits added" https://hooks.slack.com/services/xxxxxx/yyyyyy/zzzzzzzzzzzzz --format raw --event META_CREDITS

All done! You can now push your application (clever deploy) or restart it (clever restart) and you will see the result of the deployment in your Slack channel.